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527 Newest Publications about the topic latex

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Nanopipet‐Based Resistive Pulse Sensing to Follow Alterations in the Size and Concentration of Nanoparticles During Membrane Filtration

20-Feb-2015 | Péter Terejánszky, István Makra, Alda Lukács, Róbert E. Gyurcsányi, Electroanalysis, 2015

Abstract We propose a calibration‐free resistive pulse sensing (RPS) methodology based on nanopipets to follow the size and concentration changes of nanoparticles during size‐selective separation processes. The study was performed with monodisperse latex nanoparticles and their mixtures that ...

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Synthesis and Redispersibility of Poly(styrene-block-n-butyl acrylate) Core–Shell Latexes by Emulsion Polymerization with RAFT Agent–Surfactant Design

20-Feb-2015 | Feizhou Wang; Yingwu Luo; Bo-Geng Li; Shiping Zhu, Macromolecules, 2015

A coagulatable and redispersible poly(styrene-block-n-butyl acrylate) (PS-b-PnBA) copolymer latex system was developed. A series of PS-b-PnBA diblock copolymers with the PnBA content up to 70 wt % were prepared via a reversible addition–fragmentation chain transfer (RAFT) emulsion polymerization. ...

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Optimization of synthesis and characterization of oxidized starch‐graft‐poly(styrene‐butyl acrylate) latex for paper coating

19-Feb-2015 | Shijie Cheng, Wenpeng Zhao, Yumin Wu, Starch - Stärke, 2015

Abstract Oxidized starch‐graft‐poly(styrene‐butyl acrylate)[OS‐g‐P(ST‐BA)] latex with core‐shell structure was synthesized by the graft copolymerization of OS with ST and n‐butyl acrylate (BA) via emulsion polymerization. A three‐level, four‐variable Box‐Behnken design was employed to ...

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Comparison of RAFT Ab Initio Emulsion Polymerization of Methyl Methacrylate and Styrene Mediated by Oligo(methacrylic acid‐b‐methyl methacrylate) Trithiocarbonate Surfactant

19-Feb-2015 | Yue Zhu, Shangyu Bi, Xiang Gao, Yingwu Luo, Macromolecular Reaction Engineering, 2015

The comparison between methyl methacrylate (MMA) and styrene (St) RAFT emulsion polymerization using oligo(methacrylic acid41‐b‐methyl methacrylate8) RAFT agent (oligo(MAA41‐b‐MMA8) RAFT) as surfactant is investigated in order to gain a better understanding on RAFT emulsion polymerization of ...

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Protein influences on guayule and Hevea natural rubber sol and gel

17-Feb-2015 | Colleen McMahan, David Kostyal, Dhondup Lhamo, Katrina Cornish, Journal of Applied Polymer Science, 2015

ABSTRACT Guayule (Parthenium argentatum) is under cultivation in the southwestern United States as an alternative source of natural rubber free from proteins that cause Type I latex allergies. However, since guayule lacks the protein‐polymer interactions present in Hevea latex, its physical ...

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IJMS, Vol. 16, Pages 4136-4149: Isolation and Molecular Characterization of 1-Aminocyclopropane-1-carboxylic Acid Synthase Genes in Hevea brasiliensis

16-Feb-2015 | Zhu, Jia-Hong ; Xu, Jing ; Chang, Wen-Jun ; Zhang, Zhi-Li, International Journal of Molecular Sciences, 2015

Ethylene is an important factor that stimulates Hevea brasiliensis to produce natural rubber. 1-Aminocyclopropane-1-carboxylic acid synthase (ACS) is a rate-limiting enzyme in ethylene biosynthesis. However, knowledge of the ACS gene family of H. brasiliensis is limited. In this study, nine ...

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Observation of Microtubule-Based Motor Protein Activity

01-Feb-2015 | Sloboda, R. D., CSH Protocols, 2015

It is possible to detect the presence of motor proteins that have the ability to translocate particles along microtubules. The two procedures described here were developed to detect microtubule-dependent motor protein activity in cell lysates or of purified proteins. In the first procedure, latex ...

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Comparison of Particle Size Techniques to Investigate Secondary Nucleation in HEMA‐Rich Latexes

02-Jan-2015 | Martin Ocepek, Mark D. Soucek, Peter Berce, Lei Meng, Macromolecular Chemistry and Physics, 2015

2‐Hydroxyethyl methacrylate (HEMA)‐rich latex is synthesized via a semibatch mono­mer‐starved emulsion polymerization process. Six emulsion polymerizations, containing 0–40 mol% HEMA in monomer composition, are synthesized and compared. Calculations of mass balances are made in order to predict ...

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Evolution of particle morphology during the synthesis of hybrid acrylic/CeO2 nanocomposites by miniemulsion polymerization

31-Dec-2014 | Miren Aguirre, Maria Paulis, Mariano Barrado, Maider Iturrondobeitia, Ana Okariz, Teresa Guraya, Julen Ibarretxe, Jo ..., Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT The evolution of the morphology of an acrylic/CeO2 hybrid latex synthesized by a two step seeded semibatch emulsion polymerization process was investigated. The seed was produced by batch miniemulsion polymerization and in the second step a neat monomer preemulsion was fed to the seed ...

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Synthesis and Properties Study of the Uniform Nonspherical Styrene/Methacrylic Acid Copolymer Latex Particles

29-Dec-2014 | Wenqin Wang; Guohong Ren; Yanqiong Yang; Wujin Cai; Tao Chen, Langmuir, 2014

A facile method to prepare the nonspherical amphiphilic random copolymer of poly(styrene-co-methacrylic acid) (poly(St-co-PMAA)) latex particles with well-defined shapes and high yields by one-step batch emulsifier-free polymerization was demonstrated. In our strategy, only varying the molar ...

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